[200 PKG] Hex Head Cap Screws Grade 5 Steel Plain Fine Thread 1/2-20 x 3

Hex Head Cap Screws Grade 5 Steel Plain Fine Thread 1/2-20 x 3 are engineered for high-strength fastening in machinery, automotive, and fabrication projects. These screws feature a robust Grade 5 steel body with a plain finish, providing dependable performance in dry or non-corrosive environments.

Key specifications

• Head style: Hex head cap screw
• Material: Grade 5 steel
• Finish: Plain (uncoated)
• Thread: 1/2-20 UNF (fine thread)
• Length: 3 inches
• Drive type: Hex drive (requires hex wrench or socket)

Ideal for through-hole and blind-hole assemblies that demand substantial strength and reliability. The plain finish keeps compatibility broad across non-coated applications, while the fine thread provides better engagement in precision-fit joints.

Applications include general machinery, automotive assemblies, equipment construction, and maintenance projects where a strong, durable fastener is required. For best results, use with appropriate washers and follow standard torque guidelines for Grade 5 steel fasteners.